Answer :


cosec (90° + θ) +x cos θ cot (90° + θ) = cos θ


We know that when n is odd, cot tan.


sec θ +x cos θ [-tan θ] = cos θ


sec θ –x cos θ tan θ = cos θ


sec θ –x cos θ (sin θ/ cos θ) = cos θ


sec θ –x sin θ = cos θ


sec θ – cos θ =x sin θ




We know that 1 – cos2 θ = sin2 θ




tan θ =x


x = tan θ


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